package main

import "fmt"

func main() {
	//range 语句
	slice := [][][]int{
		{
			{1, 2},
			{3, 4},
		},
		{
			{5, 6},
			{7, 8},
		},
	}
	for i := range slice {
		fmt.Println(i)
		d := slice[i][0][0]
		fmt.Println(d)
	}
}
